Home / 15,428.27-23,084.98-13,545.25

Finding the Fourth Proportional to 15,428.27, 23,084.98 and 13,545.25

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Solution

The fourth proportional to 15,428.27, 23,084.98 and 13,545.25 is: 20,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.27 : 23,084.98 = 13,545.25 : x
  2. Step 2: Convert to fraction form
    15,428.27/23,084.98 = 13,545.25/x
  3. Step 3: Cross multiply
    15,428.27x = 23,084.98 × 13,545.25
  4. Step 4: Simplify right side
    15,428.27x = 312,691,825.35
  5. Step 5: Solve for x
    x = 312,691,825.35/15,428.27
  6. Step 6: Final answer
    x = 20,267.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.